15 Grams to Cups: Easy Kitchen Conversion
15 grams is a small amount, usually measured with tablespoons or teaspoons rather than a full cup. Of all-purpose flour, 15g works out to about ⅛ cup. The exact figure changes by ingredient, since grams measure weight and cups measure volume.
- Cups (US Customary)
- 0.12 (⅛)
- Tablespoons
- 1.9
- Teaspoons
- 5.8
- Milliliters
- 28 ml
15 Grams to Cups by Ingredient
| Ingredient | Grams | Cups | Fraction | Tablespoons |
|---|---|---|---|---|
| Honey | 15g | 0.04 | ⅛ | 0.7 |
| Maple Syrup | 15g | 0.05 | ⅛ | 0.7 |
| Table Salt | 15g | 0.05 | ⅛ | 0.8 |
| Peanut Butter | 15g | 0.06 | ⅛ | 0.9 |
| Baking Soda | 15g | 0.07 | ⅛ | 1.0 |
| Butter | 15g | 0.07 | ⅛ | 1.1 |
| Cream Cheese | 15g | 0.07 | ⅛ | 1.1 |
| Brown Sugar | 15g | 0.07 | ⅛ | 1.1 |
| Olive Oil | 15g | 0.07 | ⅛ | 1.1 |
| Granulated Sugar | 15g | 0.07 | ⅛ | 1.2 |
| White Rice | 15g | 0.08 | ⅛ | 1.3 |
| Chocolate Chips | 15g | 0.09 | ⅛ | 1.4 |
| Quinoa | 15g | 0.09 | ⅛ | 1.4 |
| Cornstarch | 15g | 0.12 | ⅛ | 1.9 |
| Bread Flour | 15g | 0.12 | ⅛ | 1.9 |
| All-Purpose Flour | 15g | 0.12 | ⅛ | 1.9 |
| Powdered Sugar | 15g | 0.13 | ⅛ | 2.0 |
| Almond Flour | 15g | 0.16 | ⅛ | 2.5 |
| Rolled Oats | 15g | 0.17 | ⅛ | 2.7 |
| Cocoa Powder | 15g | 0.18 | ⅛ | 2.8 |
Why 15g Isn't the Same for Every Ingredient
15g of flour and 15g of honey have identical mass, but flour is airy while honey is thick and heavy. That difference in density, not the weight itself, decides how much space each one takes up in a cup. A cup is a fixed volume, so a lighter ingredient needs more of it to reach the same weight, and a heavier ingredient needs less.
This is also why a single all-purpose grams to cups converter can't use one shared number for every ingredient. Each row in the table above is calculated from that ingredient's own density, sourced from USDA FoodData Central where available.
Granulated Sugar
15g ≈ ⅛ cup
Butter
15g ≈ ⅛ cup
Honey
15g ≈ ⅛ cup
All-Purpose Flour
15g ≈ ⅛ cup
The Math Behind This Conversion
Every value on this page comes from that formula. For all-purpose flour, 125g fills one US cup, so 15g of flour divided by 125 gives 0.12 cups. Tablespoon and teaspoon figures scale from the cup result: 1 cup equals 16 tablespoons and 48 teaspoons, so multiplying the cup value by those factors gives the spoon measurements shown in the converter above.
Sifted: 115g. Scooped and packed: up to 150g. Recipes that specify sifted or packed flour will land on a different cup value even at the same 15g, since sifting and packing change how much air sits between the particles.
15g in US, Metric, and Imperial Cups
Not every "cup" holds the same volume. A US customary cup is 236.588ml, a metric cup is 250ml, and an imperial (UK) cup is 284.131ml. That difference shifts the cup count even when the gram amount and the ingredient stay the same.
15g of all-purpose flour: ⅛ US Customary cups, ⅛ Metric cups, ⅛ Imperial (UK) cups.
Use the cup standard switch in the converter above if your recipe was written outside the US.
Measuring 15g by Spoon
Most accurate
A kitchen scale reads 15g directly and removes scooping error entirely.
Dry ingredients
Spoon the flour into the cup, then level it off with a straight edge. Never scoop directly from the bag — that packs it down and adds extra weight.
Liquids
Pour into a liquid measuring cup and read the line at eye level, not from above.
Packed ingredients
Brown sugar and similar ingredients should be pressed firmly if a recipe calls for a packed cup.
Looking for a specific ingredient instead of the general list above? Search any of the 50+ ingredient pages on the site, such as the all-purpose flour conversion chart, for every common gram amount at once.
Nearby Small Amounts
Frequently Asked Questions
How many tablespoons is 15 grams?+
For all-purpose flour, 15g is about 1.9 tablespoons. Tablespoon values differ by ingredient because of density, so check the table above for the one you're measuring.
Is 15 grams worth using a scale for?+
At this size, spoon measurements are usually close enough for home cooking. A scale matters more once the amount affects structure, such as flour or leavening in baking.
Does 15 grams mean the same cup amount for every ingredient?+
No. A lighter, airier ingredient like flour fills more volume per gram than a dense one like honey or butter, so the cup value is never universal.
Is 15 grams the same as 15 milliliters?+
Only for water, which weighs almost exactly 1 gram per milliliter. For 15g of water, that's about 15ml. Other ingredients weigh more or less than water per milliliter, so the two units diverge.